Table 1 Patients and tumors characteristics included in this study
From: Gene expression profiling for the diagnosis of multiple primary malignant tumors
First cancera | Second cancer | Third cancer | ||
|---|---|---|---|---|
Gender (%) | ||||
Male | 21 (60) | |||
Female | 14 (40) | |||
Age at diagnosis | ||||
Mean | 62.5 | 63 | 68 | |
Range | 33–77 | 33–77 | 53–70 | |
Type (%) | ||||
Synchronous | 30 (86) | |||
Metachronous | 5 (14) | |||
Stage (%) | ||||
I | 9 (26) | 18 (51) | 1 (25) | |
II | 17 (48) | 8 (23) | 2 (50) | |
III | 6 (17) | 6 (17) | 1 (25) | |
IV | 3 (9) | 3 (9) | 0 (0) | |
Invasion site (%) | ||||
Digestive system | 19 (54) | 13 (37) | 3 (75) | |
Reproductive | 5 (14) | 6 (17) | 0 (0) | |
Urinary system | 4 (11) | 5 (14) | 1 (25) | |
Breast | 3 (9) | 2 (6) | 0 (0) | |
Lung | 3 (9) | 6 (17) | 0 (0) | |
Head & neck | 1 (3) | 3 (9) | 0 (0) | |
Treatment (%) | ||||
Surgery | 32 (91) | |||
Chemotherapy | 22 (63) | |||
Histology (%) | ||||
Well-differentiated | 40 (55) | |||
Poorly differentiated | 25 (34) | |||
Squamous cell carcinoma | 8 (11) | |||